Dog trainer



FIG. 1 is a front elevational view of a dog trainer showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a first perspective view thereof;

FIG. 7 is a second perspective view thereof;

FIG. 8 is a third perspective view thereof; and,

FIG. 9 is a fourth perspective view thereof. 

CLAIM The ornamental design for a dog trainer, as shown and described. 